oo ____ \ ` \ n \ 5*x ) ------ / n - 2 / 3 /___, n = 0
Sum((5*x^n)/3^(n - 2), (n, 0, oo))
// 1 |x| \ || ----- for --- < 1| || x 3 | || 1 - - | || 3 | || | 45*|< oo | || ___ | || \ ` | || \ -n n | || / 3 *x otherwise | || /__, | \\n = 0 /
45*Piecewise((1/(1 - x/3), |x|/3 < 1), (Sum(3^(-n)*x^n, (n, 0, oo)), True))
x^n/n
(x-1)^n
1/2^(n!)
n^2/n!
x^n/n!
k!/(n!*(n+k)!)
csc(n)^2/n^3
1/n^2
1/n^4
1/n^6
1/n
(-1)^n
(-1)^(n + 1)/n
(n + 2)*(-1)^(n - 1)
(3*n - 1)/(-5)^n
(-1)^(n - 1)*n/(6*n - 5)
(-1)^(n + 1)/n*x^n
(3*n - 1)/(-5)^n